# File lib/facter/util/dhcp_servers.rb, line 18
  def self.devices
    if Facter::Core::Execution.which('nmcli')
      Facter::Core::Execution.exec("nmcli d").split("\n").select {|d| d =~ /\sconnected/i }.collect{ |line| line.split[0] }
    else
      []
    end
  end